Universal excavating and grading machine.



No. 823,855; FATENTED JUNE 1.9, 1906.

- W. GILMORE. UNIVERSAL EXGAVATING AND GRADING MACHINE.

APPLICATION FILED AUG. 26, 1905.

5 SHEETSSHEET 1 W/TNESSES:

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PATENTED JUNE 19, 19 06.

, W. GILMORE. UNIVERSAL BXOAVATING AND GRADING MACHINE.

APPLICATION FILED AUG. 26, 1905.

5 SHEETS-SHEET 2.

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PATENTED JUNE 19, 1906.

W. GILMORE. UNIVERSAL EXGAVATING AND GRADING MACHINE.

APPLICATION FILED AUG-26, 1905.

5 SHEETS-SHEET 3 INVENTOH 7/(LlZzc0/z ilmare ATTORA'E in which similar characters of reference indi- WILLIAM GILMORE, OF MERIDIAN, MI'SSISSI PPI,

" Specification of Letters Patent.

1 UNIVERSAL EXCAVATING AND QR DIN GMAQH INE.

'Patented June 19, i906.

Application filed August 26,1905." SerialNo. 275,908.

To aZZ whom, it may concern:

Be it known that 1, WILLIAM- GILM RE, :a citizen of the United States, and a resident of Meridian, in the .county of- Lauderdale and State'of Mississippi, have invented a newand lmproved Universal Excavating and GradingMachine, of which the following is a full, clear, and exact description.

My invention relates to an excavating and grading machine, the principal objects thereof being to provide for universal adjustment of the parts to permit Workingunder various conditions, and especially to provide for ex 4 cavating under 1 a railroad-track without removing the track, so. as to cutdown grades WlthOIllJ discontinuing the trains for any length oftime and to do thework at a greatly reduced cost onaccount ofthe rapidityof the machine in handling largeiamounts of-earth. Further objects are to provide for fitting the machine for new construction work, either in making cuts or fills, by making very simple changes.

Reference is to be had to the accompanying drawings, forming a partof thisspecification,

cate corresponding parts in all the figures.

. Figure 1 isa side'elevation ofa machine,- showing the principle of my invention. Fig. 2 is an end-elevation of the same. Fig. 3 is a plan of a portion of a machine- Fig-4. is a, plan: of the remainder of the :machine. Fig.. 5' is a sectional view of an adjusting ide vice-shown in Fig. 2. Fig.6- is a-sectional view of another adjusting device. Fig. 7 is a-sectional viewon: the line-7 7 'of Fig.- 6.; Fig; 8 isasectional view of adetail. Fig-9f is" an elevation of a cutter-shaft,-showingthe form-of the cutters. Fig. 10 is-a: similar view: of the shaft at a different point; and 11 is a sectional view of the shaft, showing a cutter in elevation. The deviceis shown as comprising a truck 10, mounted on wheels 11, which maybe or: dinary car-wheelsor maybe constructed in such a manner as tovprovide for; propelling the device along a track. The truckis pro-1 vided with a platform 121, upon which=iss mounted a motor 1 3 of any desired Chill-7&0 ter, connected with a shaft 14. this shaft is mounted a gear 15', Whic'lrmeshes-witha second gear 16: on-ashaft 17. :Eaclr of the shafts -M and:17i is-provid'ed with a clutch and means for transmittingpowerto ai point at an angle with the shaft. For this purpose I show: universal joints l-S Y and t9, respectively, transmittingpower through shafts26 zand21 and universal-joints-22 and-'23 to shafts 24 and 25.. i The shaft l ifis also pro:

vided with abevelgear 26, transmitting power to a gear-27 on afshaft28 This shaft carriesa spur-wheel 29, which transmits power through a chain 30 to a sprocketof which are located sprocket-wheels 33,

i which are connected, by means of a chain 3%, *with sprocket-wheels one shaft 36. This shaft 36.. carries a series of cutters or excaivating implements 37. 7 I v p, As shown-in Fig. 1 1, each cutter is provided.

"with a shank 38, which passes through a perforation in the shaft and is secured thereto "by a nut 39. Each cutter is also provided with i a projection 40, which is broadened at therear and extends part way aroundthe shaft to af-j ford a firm bearing surface I against the shaft -f0r the cutter. The cutters are alsoprovided I around the shaft,

- with flanges 41, extending longitudinally of l i the shaft, so I that therewill be no space between the edges of the cutters. These cutters] are'placedaround the shaft, each one slightly vto' the rear of thepreceding-one, so that-altogether they formaci-rcle one or; more times I This 1 provides that the istartingof the shaft will not cause any oneset of cutters to take too large a cut beforethe Tothersare: introduced intothe earth, thus providing a uniform cutting throughout thelen'gth of the shaft.

=In'Fig.'10ahub 42, by which the shaft is,-

i supported, is shown, and the cutters 011 both sides of the hub extend from the rightand i left hand sides, respectively, toward ahanger 5 43, which supports I the hub and provides against leaving aspaceatthis, poin -t which operation wheel-31' on a shaft 32,0n the opposite ends will not beoperateduponby the cutters. The shaft 36, is designed toextend under the track i along the track as the excavating operation to be graded, and the whole-devicewill travel proceeds.

For moving the excavated earth along the side of the cutters in order that it may be taken out of the Way I have shown a conveyer 44, having platesiS-designed to move along and convey the earth tothe side of the machine. This conveyer'is the form-of an endlesschain runnin on sprocket-wheels 46. These sprocket-whee s are arranged pair's, as shown Fig, I ,and "one pair of them is mounted upon the shaft25, the others being mounted upon three shafts 47 parallel with IIO the shaft 25?, these four shafts being arranged substantially in the form of a rectangle, but

the lower ones being slightly farther apart than the upper ones. When the material is moved to one side of the machine by the conveyer 44, it is desirable to provide means for conveying it away to some distance, and this is accomplished through the shaft 24, upon which is mounted a sprocket-wheel 48, 0 erating, by means of a chain 49, a sproc etwheel 50. This wheel is mounted on a frame 51, which is pivotally mounted by means of a shaft 52. The frame also sup orts a shaft 53, which carries a sprocketeel 54, connected, by means of a chain 55, with a second sprocket-wheel (not shown) on the shaft on which the wheel 50 is mounted. The shaft 53 operates an endlesschain conveyer 56, which also runs over the shaft 52. All these conveying devices are operated by the motor simultaneously, first, to cut the earth deposited at the rear; second, to convey the earth from this position to the side of the machine, and, third, to convey it to a distance from the machine upon the side.

I will now describe the means which I have illustrated for supporting the various conveying and excavating devices that have been referred to above.

The axles of the wheels 11 are provided with bearings 57, upon which are mounted frames 58. Each of these frames is provided with a nut 59, in which works a hand-screw 60. This screw is swiveled at its lower end to a slide 61, which operates up and down in the frame and carries a stud 62, which is rigidly connected with a frame 63. This frame extends upwardly and carries theshafts 25 and 47, as well as the shaft 32, in suitable bearings, and on the lower side the two frames 63 carry the lower shafts 36 and 47. These supporting-frames 63 constitute means for moving the cutter-shaft along below the tracks; Qn the side on which the conveyer 56 is located an extension 64 is mounted for supporting the shaft 52. It will be seen that the whole of the two frames 63, with the parts that they carry, can be raised and lowered by manipulating the screws and also that this part of the device can be removed from the body of the machine.

In order to provide for locating the conveyer 56 at any desired angle, the shaft 24 is mounted in bearings 66, which are in turn mounted on a slide 67, working in ways 68 on the frame. This slide is provided with a nut 69 and a hand-screw 70 for operating it. The manipulation of this screw provides for moving the shaft 24, which is permitted by the universal joints and allows the adjustment of the angle of the conveyer. A cable or rope 71 is connected with the shaft 53 for holding the conveyer in the desired position, and this canreadily be adjusted.

I have shown a drag conveyer or platform 72 over which the conveyer 44 moves. This platform has aback 73 bent upwardly, preferably at right angles, and forms a trough for receiving the earth excavated and holding it in a position to be acted on by the 0011- veyer 44.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In an excavating-machine, the combination of an earth-cutting device, means for moving the earth longitudinally with respect thereto, and a conveyer for receiving the earth from said means.

2. In an excavating-machine, the combination of a rotary excavating device having a series of cutters, a link conveyer located adjacent thereto and adapted to move material along the excavating device to one side of the machine, and an endless-chain conveyer for receiving material from the first-mentioned conveyer and transferring it away from the machine.

3. In an excavating device, the combination of a rotary shaft, a series of cutters arranged each at an angle to the others about said shaft, and means for conveying material along the shaft at the rear thereof.

4. An excavating-machine, having a shaft, and a series of cutters mounted on the shaft, each cutter being arranged at an angle from the cutter upon each side thereof.

5. An excavating-machine, comprising a shaft having a series of perforations, each perforation being located at an angle with respect to thenext one, and a series of cutters each having a shank adapted to pass through one of said perforations, said outters being provided with flanges whereby the cutting-blades present a substantially continuous surface.

6. An excavating-machine, comprising a shaft having a series of perforations, each perforation being located at an angle with respect to the next one, and a series of cutters each having a shank adapted to pass through one of said perforations, said cutters being rovided with flan es whereby the cutting-blades present a substantially continuous surface, and each cutter being provided with a rojection extending to the rear and adapted to engage the surface of the shaft.

7. An excavating-machine, comprising a shaft having a series of perforations, each perforation being located at an angle with respect to the next one, and a series of cutters each having a shank adapted to pass through one of said perforations, said outters being provided with flanges whereby the cutting-blades present a substantially continuous surface in combination with a frame for supporting said shaft, and means for mounting said frame below a car-track, whereby the car-track may be graded without taking up the track.

8. An excavating device, comprising a -s23,s55 j 3 shaft, a series of cutters thereon, and means for supporting said shaft and moving it along below a track, whereby the earth below the track can -be excavated withoutremoving the track.

9. An excavating-machine, comprising a truck, a frame adjustably mounted thereon,

' a cutting device supported by said frame below the track u on which the truck runs, and means mounte adjacent to the cutting device for moving material therefrom to one side of the track.

10. An excavating-machine, comprising a truck, a frame connected therewith, said frame having a nut, a screw mounted in said nut, a second frame to WlllOll the screw is swiveled, and an excavating device mounted on said second frame.

11. In an excavatmg-machme, the combmatlon of a truck, a motor thereon, a palr of shafts connected with said motor, a sec.

ond pair of shafts connected with the firstmentioned shafts, universal joints between said two sets of shafts, an excavating device connected with-one of said last-mentioned shafts, and a conveyer connected with the other. I

12. In anexcavating-machine, the combination of a motor, a shaft therefor, a second shaft operatively connected with the first shaft, a universal joint mounted upon each of said shafts, an excavating device connected'with one shaft, a conveyer connected with the other shaft for removing material from the excavating device, and a second conveyer connected with the first-mentioned shaft.

13. In an excavating-machine, the com bination of a motor, a shaft therefor, a sec-' ond shaft operagi-vely connected with the first shaft, a universal joint mounted upon each of said shafts, an excavating device connected with one shaft, a conveyer connected with the other shaft for removing material from the excavating device, and a second conveyer connected with the first-mentioned shaft, and a trough located adjacent to the excavating device for receiving material from the latter and delivering it to the first conveyer.

14. An excavating-machine comprising an mounted thereon, a conveyer on the frame for moving material to one side of the frame, a second conveyer ivotally mounted upon said frame, means or operating the second conveyer, and means for adjustlng it to any desired angle with respect to the frame. 1

17. In an excavator, the combination of a truck, a platform thereon, a motor on the platform, a shaft operated by the motor, a second shaft operated by the first shaft, an excavating device operated by the first shaft, and two conveyers, one operated by which one of said conveyers is mounte a sprocket-chain for operating said conveyer, a sprocket-wheel with which the chain engages, and-means for adjusting said sprocket-wheel toward and from the conveyer which it operates.

" In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

I WILLIAM GILMORE.

Witnesses:

J. M. HARWELL, E. B. WILLIAMS.

each of said shafts, a pivoted frame'u on 

